diff options
| -rw-r--r-- | math_utils.py | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/math_utils.py b/math_utils.py index 28b8e6b..f77e0a1 100644 --- a/math_utils.py +++ b/math_utils.py @@ -21,6 +21,10 @@ class RunningMedian(object): >>> median.add_number(5) >>> median.get_median() 5 + >>> median.get_mean() + 5.2 + >>> round(median.get_stdev(), 2) + 6.99 """ def __init__(self): @@ -57,6 +61,7 @@ class RunningMedian(object): mean = self.get_mean() variance = 0.0 for n in self.lowers: + n = -n variance += (n - mean) ** 2 for n in self.highers: variance += (n - mean) ** 2 |